CONTEN'IS OF \^0L. XIX. 



rrorirni shries.] 



M MlJKli cix. 



Page 



I. On Stawonema, a new Genus of Fossil Ilexactmellid Sponges, 

 Avitli a Description of its two Species, S. Cartvii and S. lohuta. Bv 



W. J. 80LLAS, B.A., F.G.S., &c. (Tlates I.-V.) '. 1 



II. Ou some new (Jenera and Species of Araneidea. Bv the Rev. 



(). r. Camiiuidge, -M.A., C.M.Z.S., &c. (Plates VI. & Vll.) 26 



III. Notes on Foraminifera. By E. Perceval Wright, M.D., 

 F.L.S., Professor of Botany in the University of Dublin, Secretary 



of the Royal Irish Academy 40 



W. On the close Relationship of Hi/dractinin, Parkeria, and 

 Sfromatopora ; with Descriptions of new Species of the former, both 

 hccent and Fossil. By II. J. Carter, F.R.S. &c. (Plate VIII.). . 44 



V. Descriptions of twenty-five new Species of Hesperidcp. By 

 W. C. Hewitson '. 70 



A'l. Remarks on Observations by Captain Ilutton, Director of the 

 Otago Museum, on Piripai us itova-zealamJia', with Notes ou the 

 Structure of the Species. B\ II. N. Mo:>eley, Fellow of Exeter 

 College, Oxford, Naturalist to the ' Challenger ' Expedition 85 



^'1I. On liltojHilocera from .Japan and Shanghai, with Descriptions 

 of new Species. By Ahtuuu G. Butler, F.L.S. &c 91 



VUI. On Polyzoa from Iceland and Labrador. Bv the Rev. 

 Thomas IIlncks, B.A., F.R.S. (Phites X. & XI.) '. t>7 



Christian Gottfried Ehrenberg; Corals in the Hunterian Museum 

 figured by Ellis and Solander ; Descriptions of new Species of 

 PiuttUhc belonging to the (ieuus Panesfhia, bv Prof. James 

 Wood-Ma.«on; On some Facts relating to the Nutrition of the 

 Embryo in the Egg of the Fowl, by M. C. Dareste; On the 

 Structure and Organization of the Polt/j)hemid(r, by Dr. C 

 Claus; Ou the Colt/cliidee of New Zealand, by D. Sharp. . 113 — 120 



NUMlffiR ex. 



IX. On two VitreohexactiiU'llid Spongt«. I!v 11. J. CAnrEH, 

 F.PiS. &,-. (Plate IX.) 1L>] 



